WM8983GEFL/V

Product Overview

• Category: Audio Codec
• Use: The WM8983GEFL/V is a high-performance audio codec designed for portable multimedia devices such as smartphones, tablets, and portable media players.
• Characteristics: It offers excellent audio quality, low power consumption, and a compact package size, making it ideal for space-constrained applications. The device integrates multiple audio functions, including stereo DAC (Digital-to-Analog Converter), ADC (Analog-to-Digital Converter), and various audio processing features.
• Package: The WM8983GEFL/V is available in a small 32-pin QFN (Quad Flat No-Lead) package, which allows for easy integration into compact electronic designs.
• Essence: The essence of the WM8983GEFL/V lies in its ability to provide high-quality audio conversion and processing capabilities in a small form factor, enabling manufacturers to deliver superior sound performance in portable devices.
• Packaging/Quantity: The WM8983GEFL/V is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• DAC Resolution: 24-bit
• ADC Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Audio Interfaces: I2S, PCM, TDM
• Supply Voltage: 1.8V - 3.6V
• Power Consumption: <10 mW (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The WM8983GEFL/V features a total of 32 pins, each serving a specific function. Here is a brief overview of the pin configuration:

• Pin 1: Left Line Input
• Pin 2: Right Line Input
• Pin 3: Ground
• Pin 4: Left Headphone Output
• Pin 5: Right Headphone Output
• Pin 6: Ground
• Pin 7: Digital Audio Interface Clock
• Pin 8: Digital Audio Interface Frame Sync
• Pin 9: Digital Audio Interface Data Input
• Pin 10: Digital Audio Interface Data Output
• ... (continue with the remaining pins)

For a complete and detailed pin configuration diagram, please refer to the WM8983GEFL/V datasheet.

Functional Features

The WM8983GEFL/V offers a range of functional features that enhance audio performance and flexibility. Some notable features include:

• Stereo DAC and ADC for high-quality audio conversion.
• Integrated digital filters for enhanced audio signal processing.
• Programmable gain control for precise volume adjustment.
• Built-in microphone bias voltage generation for direct microphone connection.
• Automatic level control for maintaining consistent audio levels.
• Low-power mode for power-saving operation during idle periods.

Advantages and Disadvantages

Advantages: - High audio quality with 24-bit resolution and support for high sampling rates. - Compact package size enables integration into space-constrained designs. - Low power consumption extends battery life in portable devices. - Versatile audio interfaces provide compatibility with various digital audio systems.

Disadvantages: - Limited availability of alternative models from other manufacturers. - May require additional external components for certain applications. - Higher cost compared to lower-end audio codecs.

Working Principles

The WM8983GEFL/V operates based on the principles of digital audio conversion and signal processing. It receives digital audio data through the input interface, converts it to analog signals using the DAC, and outputs them to the appropriate channels. Similarly, analog audio signals can be converted to digital format using the ADC for further processing or transmission.

The device incorporates various algorithms and filters to enhance audio quality, reduce noise, and provide additional audio processing capabilities. These features contribute to delivering a superior audio experience in portable multimedia devices.

Detailed Application Field Plans

The WM8983GEFL/V is well-suited for a wide range of applications, including:

1. Smartphones and tablets: Provides high-quality audio playback and recording capabilities for multimedia applications.
2. Portable media players: Enables superior sound reproduction in compact music and video players.
3. Gaming devices: Enhances the gaming experience with immersive audio effects and clear voice communication.
4. Wearable devices: Enables audio playback and voice recording in smartwatches, fitness trackers, and other wearable gadgets.
5. Automotive infotainment systems: Delivers high-fidelity audio output in car entertainment systems.

Alternative Models

While the WM8983GEFL/V is a highly capable audio codec, alternative models from other manufacturers can also be considered based on specific requirements. Some alternative models that offer similar functionality include:

• MAX98090 from Maxim Integrated
• CS42L42 from Cirrus Logic
• AK4556 from Asahi Kasei Microdevices

These alternative models provide comparable audio performance and features, allowing designers to choose the most suitable option